Class: LicenseFinder::Pip

Inherits:
PackageManager show all
Defined in:
lib/license_finder/package_managers/pip.rb

Constant Summary collapse

DEFAULT_VERSION = 
'2'

Instance Method Summary collapse

Methods inherited from PackageManager

#active?, #command_exists?, #current_packages_with_relations, #detected_package_path, id, #installed?, #project_root?, takes_priority_over

Constructor Details

#initialize(options = {}) ⇒ Pip

Returns a new instance of Pip.



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# File 'lib/license_finder/package_managers/pip.rb', line 9

def initialize(options = {})
  super
  @requirements_path = options[:pip_requirements_path] || Pathname('requirements.txt')
  @python_version = options[:python_version] || DEFAULT_VERSION
  raise "Invalid python version \'#{@python_version}\'. Valid versions are '2' or '3'." unless %w[2 3].include?(@python_version)
end

Instance Method Details

#current_packages ⇒ Object 



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# File 'lib/license_finder/package_managers/pip.rb', line 16

def current_packages
  pip_output.map do |name, version, children, location|
    PipPackage.new(
      name,
      version,
      PyPI.definition(name, version),
      logger: logger,
      children: children,
      install_path: Pathname(location).join(name)
    )
  end
end

#package_management_command ⇒ Object 



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# File 'lib/license_finder/package_managers/pip.rb', line 29

def package_management_command
  "pip#{@python_version}"
end

#possible_package_paths ⇒ Object 



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# File 'lib/license_finder/package_managers/pip.rb', line 46

def possible_package_paths
  if project_path.nil?
    [@requirements_path]
  else
    [project_path.join(@requirements_path)]
  end
end

#prepare ⇒ Object 



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# File 'lib/license_finder/package_managers/pip.rb', line 37

def prepare
  prep_cmd = "#{prepare_command} -r #{@requirements_path}"
  _stdout, stderr, status = Dir.chdir(project_path) { Cmd.run(prep_cmd) }
  return if status.success?

  log_errors stderr
  raise "Prepare command '#{prep_cmd}' failed" unless @prepare_no_fail
end

#prepare_command ⇒ Object 



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# File 'lib/license_finder/package_managers/pip.rb', line 33

def prepare_command
  "pip#{@python_version} install"
end